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Finding the Fourth Proportional to 259,669.88, 389,504.80 and 62,677.88

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Solution

The fourth proportional to 259,669.88, 389,504.80 and 62,677.88 is: 94,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,669.88 : 389,504.80 = 62,677.88 : x
  2. Step 2: Convert to fraction form
    259,669.88/389,504.80 = 62,677.88/x
  3. Step 3: Cross multiply
    259,669.88x = 389,504.80 × 62,677.88
  4. Step 4: Simplify right side
    259,669.88x = 24,413,335,113.82
  5. Step 5: Solve for x
    x = 24,413,335,113.82/259,669.88
  6. Step 6: Final answer
    x = 94,016.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.